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    • 12. 发明申请
    • Method for treating secondary fiber to achieve wet strength while retaining repulpability
    • 处理二次纤维以达到湿强度同时保持再浆化的方法
    • US20060289140A1
    • 2006-12-28
    • US11170415
    • 2005-06-28
    • David ParkJeffrey MayovskyWilliam White
    • David ParkJeffrey MayovskyWilliam White
    • D21H23/02D21H17/00
    • D21C9/002D21C5/00D21H11/14D21H11/20
    • A method for treating secondary fiber to achieve wet strength while retaining repulpability is provided. In an embodiment, the method involves supplying a first line of secondary fiber which represents a total supply of secondary fiber. The method has a further step of removing a portion of the total supply of secondary fiber in the first line and transporting the portion into a second line. The second line is treated with a cationic resin treatment. A third line supplies virgin fiber. The third line and the first line are combined. Next, the treated secondary fiber in the second line is combined with the mixed contents of the first line and third line. Separation of the virgin fiber line from the secondary fiber line at initial stages of the process lowers cationic demand for the system, and reduces an amount of resin required to treat the system.
    • 提供了一种处理二次纤维以实现湿强度同时保持再浆化性的方法。 在一个实施例中,该方法包括提供代表次级纤维的总供应量的第二线次级纤维。 该方法还具有除去第一线中的二次纤维总供给的一部分并将该部分输送到第二线中的步骤。 第二行用阳离子树脂处理。 第三条线提供原始纤维。 第三行和第一行合并。 接下来,将第二线中处理的次级纤维与第一线和第三线的混合内容物组合。 在该方法的初始阶段将原始纤维线与二次纤维线分离,降低了对系统的阳离子需求,并减少了处理该系统所需的树脂量。
    • 18. 发明授权
    • Method and apparatus for controlling the spectral reflectance of a
material
    • 用于控制材料的光谱反射率的方法和装置
    • US6052194A
    • 2000-04-18
    • US698493
    • 1996-06-04
    • Seyhan Nuyan
    • Seyhan Nuyan
    • D21H21/28D21H23/02D21H27/00G01J3/46G01N21/25G01N21/86
    • G01J3/46G01J3/463G01N21/86G01J2003/466
    • A method and apparatus for controlling the color of an article such as a paper web includes performing a comparison between target and measured reflectance values in numerous wavelength bands spanning the visible spectrum. The comparison quantifies correspondingly numerous errors that are modified by a non-linear operation, such as squaring, and then added together. The resulting sum is minimized by individually adjusting the application of a number of colorants to the article. The number of wavelength bands is greater than the number of colorants. This avoids metameric effects which are common in conventional systems that rely on three color space coordinates such as Hunter Laboratories L, a, b; C.I.E. L*, a*, b*; chromaticity x, y, z; and tristimulus X, Y, Z. Colorant response simulators enable the effects of changes in application of colorants to be tested while the actual application of colorants to the article is unchanged.
    • 用于控制诸如纸幅的物品的颜色的方法和装置包括在跨越可见光谱的许多波段中执行目标和测量的反射率值之间的比较。 比较量化相应的许多错误,这些错误由非线性操作修改,如平方,然后加在一起。 通过单独调整多个着色剂到制品的应用,最终得到的总和被最小化。 波段的数量大于着色剂的数量。 这避免了依赖三色空间坐标的常规系统中常见的同种异体效应,如Hunter Laboratories L,a,b; C.I.E. L *,a *,b *; 色度x,y,z; 和三刺激X,Y,Z。着色剂反应模拟器能够在着色剂对物品的实际应用不变的情况下测试着色剂的应用变化的影响。